1081717718 has 32 divisors (see below), whose sum is σ = 1805579424. Its totient is φ = 483743232.

The previous prime is 1081717717. The next prime is 1081717733. The reversal of 1081717718 is 8177171801.

It is a super-2 number, since 2×1081717718² = 2340226442870255048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081717711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44096 + ... + 64092.

It is an arithmetic number, because the mean of its divisors is an integer number (56424357).

Almost surely, 2^1081717718 is an apocalyptic number.

1081717718 is a deficient number, since it is larger than the sum of its proper divisors (723861706).

1081717718 is a wasteful number, since it uses less digits than its factorization.

1081717718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20096.

The product of its (nonzero) digits is 21952, while the sum is 41.

The square root of 1081717718 is about 32889.4773141806. The cubic root of 1081717718 is about 1026.5292162694.

The spelling of 1081717718 in words is "one billion, eighty-one million, seven hundred seventeen thousand, seven hundred eighteen".